Knife blade



FIG. 1 is a side elevational view of a knife blade, showing my new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a top plan view showing the back thereof;

FIG. 4 is a bottom plan view showing the edge thereof;

FIG. 5 is a left, or tang, end view thereof;

FIG. 6 is a section view thereof, taken along line 6--6; and,

FIG. 7 is a right, or point, end view thereof. 

The ornamental design for a knife blade, as shown and described. 